Phenol compound.



Patented November 22, 190%.

rerun.

(JURT GENTSCII, OF VOHWINKEL, NEAR E ASSIGN OR TO FARBENFABRIK YORK, N.Y., A CORPORATIO LBERFELD, (-rEHlVIA NY,

EN OF ELBERFELD (.70., OF NEW N OF NEW YORK.

PHENOL COMPOUND.

SPECIFICATION forming part of Letters Patent N 0. 775,814,

Application filed June 6, 1904. Serial No. 211,386.

To all whom it may concern..-

Be it known that 1, Cum GEN'rsoH, doctor of philosophy, chemist,(assignor to the FARBEN- FABRIKEN OF ELBERFELD COMPANY, of New York,)residing at Voh winkel, near Elberfeld, Germany, have invented a new anduseful Improvement in New Phenol Compounds; and I hereby declare thefollowing to be a clear and exact description of my invention.

My invention relates to the preparation of hitherto-unknown crystallizedadditional compounds consisting of phenols and alkaline salts of phenol.

The term phenol is here used in a broad sense to comprise not onlyphenol, (carbolic acid,) but also the cresols, xylenols, mixturesthereof, or the like.

The process for producing these bodies consists in treating phenolssuchas phenol, (carbolic acid,) cresols, xylenols, or the like, mixtures ofphenols, such as crude cresol, &c.- with alkaline carbonates, causticalkalies, or alkaline salts of phenols with or without the addition ofsuitable solvents. I

The new compounds thus obtained are crystals of alkaline reaction, thephenol employed being split off therefrom by heating these bodies overthe melting-point. They are of great value as therapeutic, especiallydisinfecting, agents.

In order to carry out my process practically, I can, for instance,proceed as follows, the parts being by weight: 22.4 parts of potassiumhydroxid (KOH) are mixed with a solution of 86.4 parts of metacresol insixty parts of benzene, and the resulting mixture is heated until asolution results. From this solution on cooling the new additionalcompound having the-formula is separated, which is then isolated byfiltration. It represents whitish needles of alkaline reaction havingthe melting-point of 88 centigrade and splitting oif metacresol on beingheated over the melting-point. The cordated November 22, 1904.

(No specimens.)

responding additional compound obtained from orthocresol melts at 110centigrade, that obtained from paracresol at M6 to 147 centigrade. Theanalogous product derived from phenol (carbolic acid) forms needlesmelting at from 106 to 108 centigrade. All these bodies containingpotassium consist of one molecule of the potassium salt of the phenoland. of three molecules of the free phenol, which has been used.

The analogous additional compounds obtained from carbolic acid orparacresol containing sodium have the following formulae:

The process proceeds in an analogous manner on employing other phenols,caustic-soda lye, or alkaline carbonates.

. On using, c. phenol and potassium carbonate according to the followingequation a mixture of the phenol double compound with potassiumbicarbonate results, from which mixture the former is isolated by extraction with alcohol, 620.

The new products can also be obtained by introducing, a. solidphenolates of alkalies intoahot solution of apheuol in an organicliquid.From the cooled mixture the resulting additional compounds are thenisolated, as above described.

Having now described my invention and in what manner the same is to beperformed, what I claim as new, and desire to secure by Letters Patent,is-

1. The herein-described new additional compounds consisting of onemolecule of an alkaline salt of a phenol and of several molecules of afree phenol, which products are crystalline bodies possessing analkaline reaction, the phenol contained therein being split off byheating these bodies over the melting-point, substantially ashereinbefore described.

2. The herein-described new additional compound consisting of onemolecule of the poheating the new body over 88 Centigrade, IO tasslumsalt of Inetacresol and three molecules substantlally as hereinbeforedescribed.

of metacresol having the formula: In testimonyWhereofIhave signed myname/CH3(1) /CH3(1) in the presence of two subscnbing Witnesses. H OJI, .son r 3 0 UURT GENTSGH. ivhich body represents whitish needles pos-Witnesses:

sessing an alkaline reaction and melting at 88 OTTO KoNIG,

Centigrade, free metacresol being split off by HEINR. SI-ILEFEL ER.

